National Museum of Nuclear Science & History
Charles Crichfield worked as an elctrician in Oak Ridge, Tennessee from 1943 to September 1945. Crichfield's brother Paul and father P.
John R. Kelleher served in the 1st Ordnance Squadron.
Ethaline Hartge Cortelyou was a junior chemist at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
